光照培養箱是如何提供植物生長需要的光照
來源: http://www.98fo.cn/ 類別:實用技術 更新時間:2012-11-12 閱讀次
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zhiwushengchang,libukaiguangzhao,yinweizhiwuxuyaoguangtiaojian,ranhoujinxingguanghezuoyong,chanshengdianfendengwuzhi,biaoxianxingshijiushizhiwuwulichanggao。suizhediqiuqihoudebianhuai,henduoyuanbenshihemouzhongzhiwushengchangdedifang,xianzaijiuyouxiebushihe,guangzhaotiaojianmanzubule,guangzhaopeiyangxiangyingyunersheng,zhezhongpeiyangxiangshicaiyongrengongweizaoguangzhaodefangfa,weizhiwutigongguangzhaotiaojian,xiamianwomenkankan光照培養箱的偽造人工光照是如何實現:
目(mu)前(qian),國(guo)內(nei)外(wai)使(shi)用(yong)照(zhao)明(ming)光(guang)學(xue)係(xi)統(tong)越(yue)來(lai)越(yue)普(pu)遍(bian),對(dui)照(zhao)明(ming)係(xi)統(tong)中(zhong)照(zhao)度(du)分(fen)布(bu)均(jun)勻(yun)性(xing)的(de)要(yao)求(qiu)也(ye)越(yue)來(lai)越(yue)高(gao)。如(ru)何(he)評(ping)價(jia)照(zhao)明(ming)平(ping)麵(mian)的(de)光(guang)照(zhao)度(du)分(fen)布(bu)是(shi)光(guang)學(xue)設(she)計(ji)人(ren)員(yuan)一(yi)直(zhi)關(guan)心(xin)的(de)問(wen)題(ti),設(she)計(ji)照(zhao)明(ming)光(guang)學(xue)係(xi)統(tong)實(shi)質(zhi)上(shang)就(jiu)是(shi)根(gen)據(ju)照(zhao)度(du)大(da)小(xiao)、分布的要求去選擇各種光學元件,並合理地采用各種結構形式。
當dang對dui接jie收shou麵mian進jin行xing點dian列lie圖tu顯xian示shi的de基ji礎chu上shang,然ran後hou對dui照zhao明ming平ping麵mian進jin行xing光guang照zhao度du分fen布bu的de二er維wei顯xian示shi。從cong圖tu中zhong可ke以yi明ming顯xian看kan出chu,在zai一yi般ban的de照zhao明ming麵mian上shang,其qi邊bian緣yuan部bu分fen並bing不bu是shi均jun勻yun照zhao明ming的de,而er從cong中zhong間jian向xiang邊bian緣yuan成cheng逐zhu漸jian遞di減jian的de趨qu勢shi。因yin此ci必bi須xu考kao慮lv如ru何he使shi其qi接jie受shou麵mian上shang的de光guang照zhao度du趨qu於yu均jun勻yun並bing能neng充chong滿man整zheng個ge接jie收shou麵mian。

圖1 三片式聚光鏡光線追跡結構圖
對dui照zhao度du的de計ji算suan是shi通tong過guo對dui照zhao明ming麵mian進jin行xing網wang格ge式shi劃hua分fen,根gen據ju各ge個ge小xiao網wang格ge上shang接jie收shou到dao的de光guang線xian數shu和he各ge條tiao光guang線xian所suo攜xie帶dai的de能neng量liang,可ke以yi得de到dao總zong能neng量liang值zhi,小xiao網wang格ge的de大da小xiao是shi人ren為wei設she置zhi的de,網wang格ge的de大da小xiao直zhi接jie影ying響xiang到dao照zhao度du分fen布bu的de實shi際ji的de逼bi真zhen情qing況kuang。網wang格ge越yue小xiao其qi逼bi真zhen情qing況kuang越yue好hao,但dan是shi其qi運yun算suan的de速su度du就jiu明ming顯xian減jian慢man,因yin此ci在zai使shi用yong中zhong需xu要yao確que定ding一yi個ge恰qia當dang的de網wang格ge大da小xiao值zhi。圖tu1就是光照室的sanpianshijuguangjingdeguangzhaodufenbudeerweixianshitu。conggaituyekeyikanchuzaijieshoumianzhongjianquyunei,zhaoduhenjunyun。keyijinsiderenweigaizhaomingxitongjuyouhenhaodejunyunxing。
guangzhaopeiyangxiangzhongderengongmoniguangzhao,qishijiushicaiyongzhezhongguangyuandetexing,xuanzeheshideguangyuan,heerweijiegousheji,dadaoheguangzhaotongyangdexiaoguo,genghaodemanzuzhiwudeshengchang。
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